It's been a long road for our Project Dirt Modified Engine presented by World Products and Erson Cams. What began as a concept a little over a year ago is now a full-fledged, fire-breathing, power ...

Horse Sense: Any form of engine tuning is a bit of two steps forward, one step backward, but electronic tuning is especially free-form because there are so many possibilities. It's not a straight path ...

Given a choice between spending $500 for a day on the dyno and upgrading to a trick set of cylinder heads, most hot rodders on a budget would opt for the hardware. But a different view should be ...

Are you ready for a junkyard engine swap for your Ford project? A Godzilla 7.3-liter V8 with a cam and intake upgrade is a ...

Dynamometer tests are used to measure a car's torque and rpm response. But how do they get that information? And how reliable is what they get?

We call it power stacking. It’s where a guy buys a bunch of bolt-on performance parts for his engine, each with its own rated power gain, and then he adds up all those listed gains and expects that as ...

I Put my Mini V12 Gasoline Engine to the Ultimate test by bolting it to a Dyno to see once and for all how much Horsepower these little engines actually make. I First Built a Mini Engine Dynomometer ...